43
Chapter
Chapter
Chapter
Chapter 7
7
7
7 Virtual
Virtual
Virtual
Virtual Server
Server
Server
Server
7.1
7.1
7.1
7.1 Port
Port
Port
Port Range
Range
Range
Range Forwarding
Forwarding
Forwarding
Forwarding
Port Range Forwarding allows you to specify which IP address is to receive incoming data
over specific ports. This is useful when running an application that will receive data from the
internet on a specific port, or port range, without having first sent out data to the internet on
the same port (e.g., when running a web server, ftp host, etc.
�
Start/End
Start/End
Start/End
Start/End p
p
p
port:
ort:
ort:
ort:
Enter the starting and ending port numbers to be forwarded to the
specific client computer.
�
LAN
LAN
LAN
LAN IP:
IP:
IP:
IP:
Enter the IP address of the client computer which will receive the data sent
through the specified ports.
�
Protocol:
Protocol:
Protocol:
Protocol:
Select the protocol (TCP, UDP, or Both) for the application. If you are not
clear about the protocol that will be used, select
Both
Both
Both
Both
.
�
Enable:
Enable:
Enable:
Enable:
Click the
Enable
Enable
Enable
Enable
checkbox to put the rule into effect.
�
Delete
Delete
Delete
Delete::::
Clears all the settings of this line when the
Ok
Ok
Ok
Ok
button is clicked.
�
Well-
Well-
Well-
Well-k
k
k
known
nown
nown
nown s
s
s
service
ervice
ervice
ervice p
p
p
port:
ort:
ort:
ort:
The well-known protocol ports are listed in the drop-down
list. Select one and select a sequence number in the ID drop-down list and then click
Add
Add
Add
Add to
to
to
to
and this port will be added automatically to the ID list. For other well known
service ports that are not listed, you can manually add them to the list.
�
Add
Add
Add
Add to
to
to
to::::
Adds the selected well-known port to the policy ID.
For
For
For
For Example
Example
Example
Example
: You want to share some large files with your friends outside of your local
